package com.situ.blog.interceptor;

import com.situ.blog.util.JwtUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;

import java.util.Map;

public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        //得到令牌验证
        String token = request.getHeader("Authorization");
        try{
            //验证token
            Map<String, Object> map = JwtUtil.parseToken(token);
            //放行
            return true;
        } catch (Exception e) {
            //http响应码改为401
            response.setStatus(401);
            //不放行
            return false;
        }
    }
}
